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BOSTON MARATHON 2025

John Gunn

Bib: 2891•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
Division (M18-39)
#0 / 5642
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:42
Rank: #2697
Start → 5K
19:42 | 6:20/mi
10K· 6.21 mi
39:20
Rank: #2626 (+71)
5K → 10K
19:38 | 6:19/mi
15K· 9.32 mi
59:01
Rank: #2589 (+37)
10K → 15K
19:41 | 6:20/mi
20K· 12.43 mi
1:18:37
Rank: #2405 (+184)
15K → 20K
19:36 | 6:19/mi
Half· 13.11 mi
1:22:52
Rank: #2382 (+23)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:38:13
Rank: #2305 (+77)
Half → 25K
15:21 | 6:20/mi
30K· 18.64 mi
1:58:08
Rank: #2127 (+178)
25K → 30K
19:55 | 6:25/mi
20M
2:06:48
Rank: #2019 (+108)
30K → 20M
8:40 | 6:23/mi
21M
2:13:26
Rank: #1933 (+86)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:18:08
Rank: #1886 (+47)
21M → 35K
4:42 | 6:17/mi
23M
2:26:12
Rank: #1806 (+80)
35K → 23M
8:04 | 6:27/mi
24M
2:32:30
Rank: #1754 (+52)
23M → 24M
6:18 | 6:18/mi
40K· 24.85 mi
2:38:10
Rank: #1758 (-4)
24M → 40K
5:40 | 6:38/mi
25.2M
2:40:56
Rank: #1790 (-32)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
2:47:08
Rank: #1739 (+51)
25.2M → Finish
6:12 | 6:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:52
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:24:16
Pace6:26 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3919:426:2019:42
6:20
-
10K
6.21 mi10:40:1739:206:2019:38
6:19
-0:01
15K
9.32 mi10:59:5859:016:2019:41
6:20
+0:01
20K
12.43 mi11:19:341:18:376:2019:36
6:19
-0:01
Half
13.11 mi11:23:491:22:526:194:15
6:14
-0:05
25K
15.53 mi11:39:101:38:136:1915:21
6:20
+0:06
30K
18.64 mi11:59:051:58:086:2019:55
6:25
+0:05
20M
20.00 mi12:07:452:06:486:208:40
6:23
-0:02
21M
21.00 mi12:14:232:13:266:216:38
6:38
+0:15
35K
21.75 mi12:19:052:18:086:214:42
6:17
-0:21
23M
23.00 mi12:27:092:26:126:218:04
6:27
+0:10
24M
24.00 mi12:33:272:32:306:216:18
6:18
-0:09
40K
24.85 mi12:39:072:38:106:225:40
6:38
+0:20
25.2M
25.20 mi12:41:532:40:566:232:46
8:01
+1:23
Finish
26.22 mi12:48:052:47:086:236:12
6:05
-1:56

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:05 /mi

Average Pace

6:23 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:12

4% of race

Time at Steady Pace

2:25:52

87% of race

Time at Slower Pace

15:04

9% of race

Average Pace: 6:22 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:20:3919:426:2019:42
6:20
#2697
10K
6.21 mi10:40:1739:206:2019:38
6:19
#2626
15K
9.32 mi10:59:5859:016:2019:41
6:20
#2589
20K
12.43 mi11:19:341:18:376:2019:36
6:19
#2405
Half
13.11 mi11:23:491:22:526:194:15
6:14
#2382
25K
15.53 mi11:39:101:38:136:1915:21
6:20
#2305
30K
18.64 mi11:59:051:58:086:2019:55
6:25
#2127
20M
20.00 mi12:07:452:06:486:208:40
6:23
#2019
21M
21.00 mi12:14:232:13:266:216:38
6:38
#1933
35K
21.75 mi12:19:052:18:086:214:42
6:17
#1886
23M
23.00 mi12:27:092:26:126:218:04
6:27
#1806
24M
24.00 mi12:33:272:32:306:216:18
6:18
#1754
40K
24.85 mi12:39:072:38:106:225:40
6:38
#1758
25.2M
25.20 mi12:41:532:40:566:232:46
8:01
#1790
Finish
26.22 mi12:48:052:47:086:236:12
6:05
#1739
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2697257125712562(Top 9%)2445(Top 15%)2445(Top 43%)
10K6.21 mi3.10 mi2626+712501+702501+702536(Top 9%)2422(Top 15%)2422(Top 43%)
15K9.32 mi3.11 mi2589+372469+322469+322562(Top 9%)2445(Top 15%)2445(Top 43%)
20K12.43 mi3.11 mi2405+1842295+1742295+1742058(Top 7%)1962(Top 12%)1962(Top 35%)
Half13.11 mi0.68 mi2382+232272+232272+232164(Top 8%)2068(Top 13%)2068(Top 37%)
25K15.53 mi2.42 mi2305+772199+732199+732030(Top 7%)1934(Top 12%)1934(Top 34%)
30K18.64 mi3.11 mi2127+1782028+1712028+1711605(Top 6%)1522(Top 9%)1522(Top 27%)
20M20.00 mi1.36 mi2019+1081924+1041924+1041191(Top 4%)1123(Top 7%)1123(Top 20%)
21M21.00 mi1.00 mi1933+861837+871837+871024(Top 4%)969(Top 6%)969(Top 17%)
35K21.75 mi0.75 mi1886+471791+461791+461553(Top 5%)1463(Top 9%)1463(Top 26%)
23M23.00 mi1.25 mi1806+801713+781713+781289(Top 5%)1214(Top 8%)1214(Top 22%)
24M24.00 mi1.00 mi1754+521662+511662+511323(Top 5%)1238(Top 8%)1238(Top 22%)
40K24.85 mi0.85 mi1758-41665-31665-32080(Top 7%)1918(Top 12%)1918(Top 34%)
25.2M25.20 mi0.35 mi1790-321694-291694-296017(Top 21%)4743(Top 29%)4743(Top 84%)
Finish26.22 mi1.02 mi1739+511647+471647+471152(Top 4%)1078(Top 7%)1078(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2562

Males

2445

M18-39

2445

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2536

Males

2422

M18-39

2422

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2562

Males

2445

M18-39

2445

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2058

Males

1962

M18-39

1962

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2164

Males

2068

M18-39

2068

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2030

Males

1934

M18-39

1934

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1605

Males

1522

M18-39

1522

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1191

Males

1123

M18-39

1123

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1024

Males

969

M18-39

969

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1553

Males

1463

M18-39

1463

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1289

Males

1214

M18-39

1214

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1323

Males

1238

M18-39

1238

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

2080

Males

1918

M18-39

1918

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6017

Males

4743

M18-39

4743

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1152

Males

1078

M18-39

1078

Passing Analysis

Category:
Athletes Passed
1245
Passed By
287
Net Change
+958
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2697
5K → 10K15483+71#2697#2626
10K → 15K9760+37#2626#2589
15K → 20K19511+184#2589#2405
20K → Half285+23#2405#2382
Half → 25K9114+77#2382#2305
25K → 30K19113+178#2305#2127
30K → 20M1102+108#2127#2019
20M → 21M904+86#2019#1933
21M → 35K503+47#1933#1886
35K → 23M877+80#1886#1806
23M → 24M597+52#1806#1754
24M → 40K2933-4#1754#1758
40K → 25.2M638-32#1758#1790
25.2M → Finish587+51#1790#1739
TOTALS1245287+958
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing